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Review of the crushing response of collapsible tubular structures

Vivek PATEL, Gaurav TIWARI, Ravikumar DUMPALA

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 438-474 doi: 10.1007/s11465-019-0579-1

Abstract: foam-filled, multi wall, and functionally graded thickness tubes, are also discussed, focusing on their energy

Keywords： monolithic structure     crashworthiness     energy absorber     static and dynamic loadings     multicellular tube structure    

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Spectral emittance measurements of micro/nanostructures in energy conversion: a review

Shiquan SHAN, Chuyang CHEN, Peter G. LOUTZENHISER, Devesh RANJAN, Zhijun ZHOU, Zhuomin M. ZHANG

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 482-509 doi: 10.1007/s11708-020-0693-0

Abstract: key role in tuning the radiative properties of materials and have been applied to high-temperature energydeveloped for characterizing engineered micro/nanostructures in high-temperature applications (e.g., solar energycomprehensive source of information for the application of micro/nanostructures in high-temperature energy

Keywords： concentrating solar power (CSP)     emittance measurements     high temperature     micro/nanostructure     selective absorber    

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Transparent Thermally Tunable Microwave Absorber Prototype Based on Patterned VO2 Film Article

Zhengang Lu, Yilei Zhang, Heyan Wang, Chao Xia, Yunfei Liu, Shuliang Dou, Yao Li, Jiubin Tan

Engineering 2023, Volume 29, Issue 10,   Pages 198-206 doi: 10.1016/j.eng.2022.10.005

Abstract: Here, a simple, transparent, and thermally tunable microwave absorber is proposed, based on a patternedNumerical calculations and experiments demonstrate that the proposed VO2 absorber has a highOur VO2 absorber has a simple composition, a high optical transmittance, a thermally tunable

Keywords： Tunable microwave absorber     VO2 film     Optical transparent     Near unity absorption     Large modulation    

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Design and analysis of Salisbury screens and Jaumann absorbers for solar radiation absorption

Xing FANG, C. Y. ZHAO, Hua BAO

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 158-168 doi: 10.1007/s11708-018-0542-6

Abstract: Two types of resonance absorbers, i.e., Salisbury screens and Jaumann absorbers are systematically investigated in solar radiation absorption. Salisbury screen is a metal-dielectric-metal structure which overcomes the drawback of bulky thickness for solar spectrum. Such structures have a good spectral selective absorption property, which is also insensitive to incident angles and polarizations. To further broaden absorption bandwidth, more metal and dielectric films are taken in the structure to form Jaumann absorbers. To design optimized structural parameters, the admittance matching equations have been derived in this paper to give good initial structures, which are valuable for the following optimization. Moreover, the analysis of admittance loci has been conducted to directly show the effect of each layer on the spectral absorptivity, and then the effect of thin films is well understood. Since the fabrication of these layered absorbers is much easier than that of other nanostructured absorbers, Salisbury screen and Jaumann absorbers have a great potential in large-area applications.

Keywords： thin films     admittance loci     solar absorber    

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核能发展国际高端论坛 International Summit on Nuclear Energy Development

Conference Date: 15 May 2019

Conference Place: 中国

Administered by: 中国工程院

A Thermo-Tunable Metamaterial as an Actively Controlled Broadband Absorber Article

Xiao-Chang Xing, Yang Cao, Xiao-Yong Tian, Lingling Wu

Engineering 2023, Volume 20, Issue 1,   Pages 143-152 doi: 10.1016/j.eng.2022.04.028

Abstract:

Metamaterials have attracted increasing attention in recent years due to their powerful abilities in manipulating electromagnetic (EM) waves. However, most previously reported metamaterials are unable to actively control full-band EM waves. In this paper, we propose a thermo-tunable broadband metamaterial (T-TBM) using paraffin-based composites (PD-Cs) with different phase transition temperatures. Active control of the T-TBM reflection loss peaks from low to high frequency is realized by manipulating the solid–liquid state of the PD-Cs at different phase transition temperatures. The absorption peak bandwidth (where the reflection loss value is less than −30 dB) can be changed, while the broad bandwidth absorption (where the reflection loss value is less than −10 dB) is satisfied by adjusting the temperature of the T-TBM. It is shown that the stagnation of the phase transition temperature of the PD-Cs in the T-TBM provides a time window for actively controlling the EM wave absorption response under different thermal conditions. The device has a broad application prospect in the fields of EM absorption, intelligent metamaterials, multifunctional structural devices, and more.

Keywords： Metamaterials     Active control     Thermally tunable     Broadband absorption    

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Traditional soliton erbium-doped fiber laser with InSe as saturable absorber Research

Xiaojuan Liu, Guomei Wang, Mingxiao Zhu, Kezhen Han, Wenfei Zhang, Huanian Zhang,zhangwenfei@sdut.edu.cn,huanian_zhang@163.com

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 3,   Pages 287-436 doi: 10.1631/FITEE.2000387

Abstract: In this work, InSe-polyvinyl alcohol (InSe-PVA) film is employed as saturable absorber and prepared byThe nonlinear absorption properties of the InSe saturable absorber (InSe-SA) are investigated, showing

Keywords： 光纤激光器；纳米片；传统孤子    

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Microwave-induced high-energy sites and targeted energy transition promising for efficient energy deployment

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 931-942 doi: 10.1007/s11708-021-0771-y

Abstract: In this study, a high-energy-site phenomenon and targeted-energy transition mechanism were identifiedcould reach 2000°C– 4000°C, with the energy density reaching up to 4.0 × 105 W/kg.The whole process, including microwave energy concentration and intense site-energy release, shapes aThe microwave-induced high-energy sites and targeted energy transition provide an important pathway forhigh-efficiency energy deployment and may lead to promising applications.

Keywords： microwave discharge     high-energy sites     targeted-energy transition     morphology design     energy efficiency    

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核能发展国际高端论坛 International Summit on Nuclear Energy Development

Conference Date: 15 May 2019

Conference Place: 中国

Administered by: 中国工程院

Analysis of energy saving optimization of campus buildings based on energy simulation

Dingding TONG, Jing ZHAO

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 388-398 doi: 10.1007/s11708-013-0273-7

Abstract: The energy consumption of campus buildings has specific characteristics, because of the concentratedThe traditional energy system design and operation for campus buildings is only based on the constantstages of public and residential campus buildings to reduce the heating and cooling design load for energystation and total campus energy consumption for annual operation.The comparison of the simulation results showed that the single building energy saving method of the

Keywords： campus buildings     set-point temperature     energy simulation     energy saving optimization    

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Modeling China’s energy dilemma: conflicts among energy saving, energy security, and CO 2 mitigation

Feng FU, Zheng LI, Linwei MA,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 295-300 doi: 10.1007/s11708-010-0104-z

Abstract: This study analyzes China’s future energy scenarios stretching until 2050 under different policyportfolios of energy security (e.g., oil import dependency) and CO emissions control.saving, energy security, and CO mitigation.Based on the analysis, an improvement in China’s efficiency in fossil energy conversion and thepromotion of the utilization of non-fossil energy such as nuclear, wind, and hydro energy are recommended

Keywords： Energy dilemma     energy saving     energy security     CO2 mitigation    

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Passive mode-locked Er-doped fiber laser pulse generation based on titanium disulfide saturable absorber Research Articles

Xinxin Shang, Linguang Guo, Huanian Zhang, Dengwang Li, Qingyang Yue,huanian_zhang@163.com,qingyangyue@sdnu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 5,   Pages 615-766 doi: 10.1631/FITEE.2000341

Abstract: Another type of mode-locked pulse train with the maximum output power of 3.92 mW and pulse energy of

Keywords： 光纤激光器；被动锁模；可饱和吸收体；二硫化钛    

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Blockchain in energy systems: values, opportunities, and limitations

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 9-18 doi: 10.1007/s11708-022-0818-8

Abstract: The structure of a power energy system is becoming more distributed than before.Its use in the energy sector has been pioneered by several pilot projects.However, to date the energy sector has not seen large-scale deployment of blockchain, partly becauseSecond, some promising blockchain-based applications in energy systems are presented.Third, some common misunderstandings of blockchain in energy are discussed.

Keywords： blockchain     immutability     energy trading     energy management     data synchronization    

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Unconventional energy: Seeking the ways to innovate energy science and technology

Jing LIU, Zhixiong GUO

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 195-197 doi: 10.1007/s11708-018-0568-9

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Impact of household transitions on domestic energy consumption and its applicability to urban energy

Benachir MEDJDOUB, Moulay Larbi CHALAL

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 171-183 doi: 10.15302/J-FEM-2017029

Abstract: The household sector consumes roughly 30% of Earth’s energy resources and emits approximately 17% ofon these aspects should be more prominent, as they cause between 4% and 30% of variation in domestic energystudy was to investigate the effect in the context of the UK of household transitions on household energyFurthermore, it enabled us to study the relationship between the predicted patterns and the household energysuch a concept in energy forecasting for effective sustainable energy decision-making.

Keywords： urban energy planning     household transitions     smart cities     energy forecasting     household projection     serious    

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Title Author Date Type Operation

Review of the crushing response of collapsible tubular structures

Vivek PATEL, Gaurav TIWARI, Ravikumar DUMPALA

Journal Article

Spectral emittance measurements of micro/nanostructures in energy conversion: a review

Shiquan SHAN, Chuyang CHEN, Peter G. LOUTZENHISER, Devesh RANJAN, Zhijun ZHOU, Zhuomin M. ZHANG

Journal Article

Transparent Thermally Tunable Microwave Absorber Prototype Based on Patterned VO2 Film

Zhengang Lu, Yilei Zhang, Heyan Wang, Chao Xia, Yunfei Liu, Shuliang Dou, Yao Li, Jiubin Tan

Journal Article

Design and analysis of Salisbury screens and Jaumann absorbers for solar radiation absorption

Xing FANG, C. Y. ZHAO, Hua BAO

Journal Article

核能发展国际高端论坛 International Summit on Nuclear Energy Development

15 May 2019

Conference Information

A Thermo-Tunable Metamaterial as an Actively Controlled Broadband Absorber

Xiao-Chang Xing, Yang Cao, Xiao-Yong Tian, Lingling Wu

Journal Article

Traditional soliton erbium-doped fiber laser with InSe as saturable absorber

Xiaojuan Liu, Guomei Wang, Mingxiao Zhu, Kezhen Han, Wenfei Zhang, Huanian Zhang,zhangwenfei@sdut.edu.cn,huanian_zhang@163.com

Journal Article

Microwave-induced high-energy sites and targeted energy transition promising for efficient energy deployment

Journal Article

核能发展国际高端论坛 International Summit on Nuclear Energy Development

15 May 2019

Conference Information

Analysis of energy saving optimization of campus buildings based on energy simulation

Dingding TONG, Jing ZHAO

Journal Article

Modeling China’s energy dilemma: conflicts among energy saving, energy security, and CO 2 mitigation

Feng FU, Zheng LI, Linwei MA,

Journal Article

Passive mode-locked Er-doped fiber laser pulse generation based on titanium disulfide saturable absorber

Xinxin Shang, Linguang Guo, Huanian Zhang, Dengwang Li, Qingyang Yue,huanian_zhang@163.com,qingyangyue@sdnu.edu.cn

Journal Article

Blockchain in energy systems: values, opportunities, and limitations

Journal Article

Unconventional energy: Seeking the ways to innovate energy science and technology

Jing LIU, Zhixiong GUO

Journal Article

Impact of household transitions on domestic energy consumption and its applicability to urban energy

Benachir MEDJDOUB, Moulay Larbi CHALAL

Journal Article